======================================
| 0
| xx__-> [    9.677811][  T228] ------------[ cut here ]------------
| [ 9.678150][ T228] WARNING: CPU: 1 PID: 228 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [    9.678564][  T228] Modules linked in: netdevsim
[    9.679235][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.679503][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.679767][ T228] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[    9.680497][  T228] RSP: 0018:ffffc90000ad7520 EFLAGS: 00010246
[    9.680757][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.681062][  T228] RDX: 0000000000000000 RSI: ffff888008fb2c98 RDI: ffff888005e28b78
[    9.681387][  T228] RBP: ffffffffafb23440 R08: 0000000000000000 R09: fffffbfff5b3d83c
[    9.681697][  T228] R10: ffffffffad9ec1e7 R11: ffff888005e28040 R12: 0000000000000000
[    9.682000][  T228] R13: ffff888008fb2128 R14: ffff888008fb2008 R15: ffff888008fb2000
[    9.682407][  T228] FS:  00007f9f204b7740(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[    9.682764][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.683021][  T228] CR2: 0000557c44e791a8 CR3: 000000000b5ec003 CR4: 0000000000772ef0
[    9.683425][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.683728][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.684032][  T228] PKRU: 55555554
[    9.684302][  T228] Call Trace:
[    9.684460][  T228]  <TASK>
[ 9.684568][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.684783][ T228] ? __warn (kernel/panic.c:748) 
[ 9.684938][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.685178][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.685388][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.685554][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.685755][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.685970][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.686194][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.686453][ T228] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 9.686662][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.686869][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.687100][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.687331][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.687552][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.687812][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.687969][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.688247][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.688510][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.688773][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.688987][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.689251][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.689461][ T228] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) 
[ 9.689614][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.689824][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.690034][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.690248][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.690454][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.690660][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.690908][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.691127][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.691330][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.691544][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.691745][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.691953][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.692170][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.692371][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.692577][ T228] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 9.692789][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.692995][ T228] device_add (drivers/base/core.c:3672) 
[ 9.693208][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.693411][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.693625][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.693885][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.694159][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.694362][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.694570][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.694771][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.694978][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.695152][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.695362][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.695563][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.695777][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.695992][ T228] ksys_write (fs/read_write.c:731) 
[ 9.696156][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.696357][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.696572][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.696779][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.697035][  T228] RIP: 0033:0x7f9f205f8b77
[ 9.697266][ T228] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[    9.697971][  T228] RSP: 002b:00007ffcf8a0ae98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.698286][  T228] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9f205f8b77
[    9.698590][  T228] RDX: 0000000000000007 RSI: 000055c8636dbac0 RDI: 0000000000000001
[    9.698894][  T228] RBP: 000055c8636dbac0 R08: 0000000000000003 R09: 0000000000000077
[    9.699205][  T228] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000007
[    9.699508][  T228] R13: 00007f9f206b4760 R14: 0000000000000007 R15: 00007f9f206af9c0
| [   10.008765][  T254] ------------[ cut here ]------------
| [ 10.009156][ T254] WARNING: CPU: 0 PID: 254 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.009531][  T254] Modules linked in: netdevsim
| [   10.010205][  T254] Tainted: [W]=WARN
[   10.010373][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.010623][ T254] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.010885][ T254] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.011546][  T254] RSP: 0018:ffffc90000b271e8 EFLAGS: 00010246
[   10.011782][  T254] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.012066][  T254] RDX: 0000000000000000 RSI: ffff888004ee2c98 RDI: ffff888005052dc0
[   10.012359][  T254] RBP: ffff88800a3a8040 R08: 0000000000000000 R09: fffffbfff5b3d83c
[   10.012632][  T254] R10: ffffffffad9ec1e7 R11: ffff888005052300 R12: 0000000000000000
[   10.012908][  T254] R13: ffff888004ee2128 R14: ffff888004ee2008 R15: ffff888004ee2000
[   10.013193][  T254] FS:  00007f188fb44800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   10.013524][  T254] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.013758][  T254] CR2: 00007f188fc83440 CR3: 000000000b4a4003 CR4: 0000000000772ef0
[   10.014039][  T254] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.014327][  T254] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.014611][  T254] PKRU: 55555554
[   10.014755][  T254] Call Trace:
[   10.014898][  T254]  <TASK>
[ 10.014997][ T254] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.015192][ T254] ? __warn (kernel/panic.c:748) 
[ 10.015337][ T254] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.015526][ T254] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.015724][ T254] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.015875][ T254] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.016062][ T254] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.016272][ T254] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.016465][ T254] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 10.016658][ T254] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.016898][ T254] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 10.017101][ T254] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.017322][ T254] register_netdevice (net/core/dev.c:11003) 
[ 10.017515][ T254] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.017715][ T254] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.017922][ T254] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.018171][ T254] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.018420][ T254] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 10.018674][ T254] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 10.018920][ T254] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 10.019170][ T254] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 10.019421][ T254] devlink_reload (net/devlink/dev.c:474) 
[ 10.019616][ T254] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 10.019807][ T254] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 10.020009][ T254] ? cap_capable (security/commoncap.c:131) 
[ 10.020205][ T254] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 10.020360][ T254] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 10.020554][ T254] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.020799][ T254] ? __nla_parse (lib/nlattr.c:732) 
[ 10.020998][ T254] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 10.021200][ T254] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 10.021454][ T254] ? cap_capable (security/commoncap.c:131) 
[ 10.021642][ T254] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 10.021838][ T254] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 10.022045][ T254] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 10.022244][ T254] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 10.022477][ T254] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.022706][ T254] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 10.022963][ T254] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 10.023161][ T254] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 10.023355][ T254] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 10.023549][ T254] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 10.023754][ T254] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 10.023896][ T254] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 10.024097][ T254] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 10.024298][ T254] genl_rcv (net/netlink/genetlink.c:1220) 
[ 10.024440][ T254] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 10.024633][ T254] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 10.024821][ T254] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 10.025017][ T254] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 10.025225][ T254] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 10.025413][ T254] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 10.025604][ T254] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 10.025808][ T254] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 10.025998][ T254] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 10.026191][ T254] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.026383][ T254] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 10.026581][ T254] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 10.026775][ T254] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 10.027006][ T254] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 10.027215][ T254] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 10.027456][ T254] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 10.027651][ T254] __x64_sys_sendto (net/socket.c:2181) 
[ 10.027839][ T254] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.028072][ T254] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.028269][ T254] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.028505][  T254] RIP: 0033:0x7f188fd50a4a
[ 10.028697][ T254] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   10.029351][  T254] RSP: 002b:00007ffe58b52098 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   10.029631][  T254] RAX: ffffffffffffffda RBX: 000000003679bb00 RCX: 00007f188fd50a4a
[   10.029913][  T254] RDX: 0000000000000040 RSI: 000000003679bb00 RDI: 0000000000000005
[   10.030195][  T254] RBP: 000000003679b910 R08: 00007f188fef4200 R09: 000000000000000c
[   10.030471][  T254] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   10.030748][  T254] R13: 000000003679b910 R14: 0000000000000000 R15: 0000000000000001
| [   10.970465][  T283] ------------[ cut here ]------------
| [ 10.970764][ T283] WARNING: CPU: 0 PID: 283 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.971164][  T283] Modules linked in: netdevsim
| [   10.971692][  T283] Tainted: [W]=WARN
[   10.971839][  T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.972073][ T283] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.972412][ T283] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.973066][  T283] RSP: 0018:ffffc900005a71e8 EFLAGS: 00010246
[   10.973380][  T283] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.973658][  T283] RDX: 0000000000000000 RSI: ffff88800531ac98 RDI: ffff888009cb8b00
[   10.973937][  T283] RBP: ffff88800a3a8040 R08: 0000000000000000 R09: fffffbfff5b3d83c
[   10.974235][  T283] R10: ffffffffad9ec1e7 R11: ffff888009cb8040 R12: 0000000000000000
[   10.974516][  T283] R13: ffff88800531a128 R14: ffff88800531a008 R15: ffff88800531a000
[   10.974795][  T283] FS:  00007fa288e2b800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   10.975128][  T283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.975367][  T283] CR2: 00007fe089c07000 CR3: 000000000b666006 CR4: 0000000000772ef0
[   10.975645][  T283] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.975926][  T283] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.976220][  T283] PKRU: 55555554
[   10.976361][  T283] Call Trace:
[   10.976504][  T283]  <TASK>
[ 10.976602][ T283] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.976790][ T283] ? __warn (kernel/panic.c:748) 
[ 10.976937][ T283] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.977145][ T283] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.977345][ T283] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.977491][ T283] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.977679][ T283] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.977879][ T283] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.978070][ T283] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 10.978274][ T283] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.978513][ T283] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 10.978707][ T283] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.978901][ T283] register_netdevice (net/core/dev.c:11003) 
[ 10.979115][ T283] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.979315][ T283] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.979520][ T283] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.979764][ T283] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.980015][ T283] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 10.980272][ T283] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 10.980514][ T283] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 10.980754][ T283] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 10.980994][ T283] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 10.981192][ T283] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 10.981442][ T283] devlink_reload (net/devlink/dev.c:474) 
[ 10.981635][ T283] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 10.981826][ T283] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 10.982066][ T283] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 10.982270][ T283] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.982505][ T283] ? __nla_parse (lib/nlattr.c:732) 
[ 10.982701][ T283] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 10.982896][ T283] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 10.983153][ T283] ? cap_capable (security/commoncap.c:131) 
[ 10.983340][ T283] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 10.983536][ T283] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 10.983729][ T283] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 10.983921][ T283] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 10.984159][ T283] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.984393][ T283] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 10.984639][ T283] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 10.984829][ T283] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 10.985019][ T283] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 10.985228][ T283] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 10.985432][ T283] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 10.985575][ T283] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 10.985768][ T283] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 10.985965][ T283] genl_rcv (net/netlink/genetlink.c:1220) 
[ 10.986121][ T283] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 10.986317][ T283] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 10.986507][ T283] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 10.986701][ T283] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 10.986894][ T283] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 10.987097][ T283] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 10.987296][ T283] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 10.987493][ T283] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 10.987688][ T283] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 10.987885][ T283] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.988091][ T283] ? __sys_recvmsg (net/socket.c:2859) 
[ 10.988280][ T283] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 10.988482][ T283] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 10.988675][ T283] __x64_sys_sendto (net/socket.c:2181) 
[ 10.988862][ T283] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.989105][ T283] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.989302][ T283] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.989532][  T283] RIP: 0033:0x7fa289037a4a
[ 10.989727][ T283] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   10.990397][  T283] RSP: 002b:00007ffcf19ed8c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   10.990683][  T283] RAX: ffffffffffffffda RBX: 000000000ab61b00 RCX: 00007fa289037a4a
[   10.991010][  T283] RDX: 0000000000000038 RSI: 000000000ab61b00 RDI: 0000000000000005
[   10.991299][  T283] RBP: 000000000ab61910 R08: 00007fa2891db200 R09: 000000000000000c
[   10.991576][  T283] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   10.991853][  T283] R13: 000000000ab61910 R14: 0000000000000000 R15: 0000000000000003
| [   11.526355][  T293] ------------[ cut here ]------------
| [ 11.526595][ T293] WARNING: CPU: 0 PID: 293 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   11.526974][  T293] Modules linked in: netdevsim
| [   11.527546][  T293] Tainted: [W]=WARN
[   11.527690][  T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.527920][ T293] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.528173][ T293] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   11.528823][  T293] RSP: 0018:ffffc900005371e8 EFLAGS: 00010246
[   11.529061][  T293] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   11.529345][  T293] RDX: 0000000000000000 RSI: ffff88800bd32c98 RDI: ffff8880094aadc0
[   11.529620][  T293] RBP: ffff88800a3a8040 R08: 0000000000000000 R09: fffffbfff5b3d83c
[   11.529903][  T293] R10: ffffffffad9ec1e7 R11: ffff8880094aa300 R12: 0000000000000000
[   11.530186][  T293] R13: ffff88800bd32128 R14: ffff88800bd32008 R15: ffff88800bd32000
[   11.530464][  T293] FS:  00007f54f5a2a800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   11.530798][  T293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.531034][  T293] CR2: 000055c83f702dec CR3: 000000000baec001 CR4: 0000000000772ef0
[   11.531323][  T293] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   11.531599][  T293] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   11.531874][  T293] PKRU: 55555554
[   11.532015][  T293] Call Trace:
[   11.532168][  T293]  <TASK>
[ 11.532266][ T293] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.532458][ T293] ? __warn (kernel/panic.c:748) 
[ 11.532604][ T293] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.532794][ T293] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 11.532989][ T293] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 11.533151][ T293] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 11.533338][ T293] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 11.533537][ T293] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.533729][ T293] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 11.533923][ T293] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 11.534171][ T293] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 11.534365][ T293] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 11.534557][ T293] register_netdevice (net/core/dev.c:11003) 
[ 11.534750][ T293] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 11.534952][ T293] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 11.535164][ T293] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 11.535408][ T293] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 11.535656][ T293] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 11.535903][ T293] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 11.536153][ T293] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 11.536396][ T293] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 11.536638][ T293] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 11.536826][ T293] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 11.537073][ T293] devlink_reload (net/devlink/dev.c:474) 
[ 11.537284][ T293] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 11.537476][ T293] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 11.537718][ T293] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 11.537909][ T293] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.538153][ T293] ? __nla_parse (lib/nlattr.c:732) 
[ 11.538351][ T293] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 11.538542][ T293] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 11.538790][ T293] ? cap_capable (security/commoncap.c:131) 
[ 11.538975][ T293] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 11.539183][ T293] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 11.539374][ T293] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 11.539564][ T293] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 11.539794][ T293] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.540022][ T293] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 11.540275][ T293] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 11.540468][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 11.540658][ T293] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 11.540850][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 11.541052][ T293] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 11.541202][ T293] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 11.541392][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 11.541588][ T293] genl_rcv (net/netlink/genetlink.c:1220) 
[ 11.541730][ T293] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 11.541924][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 11.542122][ T293] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 11.542317][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 11.542508][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 11.542693][ T293] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 11.542882][ T293] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 11.543087][ T293] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 11.543276][ T293] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 11.543476][ T293] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 11.543671][ T293] ? __sys_recvmsg (net/socket.c:2859) 
[ 11.543861][ T293] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 11.544057][ T293] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 11.544258][ T293] __x64_sys_sendto (net/socket.c:2181) 
[ 11.544448][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 11.544678][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 11.544872][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   11.545109][  T293] RIP: 0033:0x7f54f5c36a4a
[ 11.545302][ T293] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   11.545946][  T293] RSP: 002b:00007ffc9654ef68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   11.546238][  T293] RAX: ffffffffffffffda RBX: 0000000000e2eb00 RCX: 00007f54f5c36a4a
[   11.546515][  T293] RDX: 0000000000000038 RSI: 0000000000e2eb00 RDI: 0000000000000005
[   11.546810][  T293] RBP: 0000000000e2e910 R08: 00007f54f5dda200 R09: 000000000000000c
[   11.547095][  T293] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   11.547385][  T293] R13: 0000000000e2e910 R14: 0000000000000000 R15: 0000000000000003
| [   12.996976][  T338] ------------[ cut here ]------------
| [ 12.997335][ T338] WARNING: CPU: 2 PID: 338 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   12.997725][  T338] Modules linked in: netdevsim
| [   12.998301][  T338] Tainted: [W]=WARN
[   12.998463][  T338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.998711][ T338] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.998966][ T338] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   12.999651][  T338] RSP: 0018:ffffc900008671e8 EFLAGS: 00010246
[   12.999903][  T338] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   13.000204][  T338] RDX: 0000000000000000 RSI: ffff888009302c98 RDI: ffff8880057e8b00
[   13.000496][  T338] RBP: ffff88800a3a8040 R08: 0000000000000000 R09: fffffbfff5b3d83c
[   13.000783][  T338] R10: ffffffffad9ec1e7 R11: ffff8880057e8040 R12: 0000000000000000
[   13.001074][  T338] R13: ffff888009302128 R14: ffff888009302008 R15: ffff888009302000
[   13.001377][  T338] FS:  00007ff5a8ec6800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   13.001713][  T338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.001963][  T338] CR2: 00007ff5a9276200 CR3: 000000000512c004 CR4: 0000000000772ef0
[   13.002266][  T338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   13.002560][  T338] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   13.002851][  T338] PKRU: 55555554
[   13.003005][  T338] Call Trace:
[   13.003168][  T338]  <TASK>
[ 13.003281][ T338] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.003485][ T338] ? __warn (kernel/panic.c:748) 
[ 13.003648][ T338] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.003849][ T338] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 13.004057][ T338] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 13.004231][ T338] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 13.004444][ T338] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 13.004659][ T338] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.004864][ T338] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 13.005073][ T338] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 13.005340][ T338] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 13.005547][ T338] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 13.005750][ T338] register_netdevice (net/core/dev.c:11003) 
[ 13.005957][ T338] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 13.006181][ T338] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 13.006400][ T338] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 13.006656][ T338] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 13.006921][ T338] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 13.007203][ T338] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 13.007463][ T338] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 13.007714][ T338] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 13.007966][ T338] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 13.008182][ T338] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 13.008444][ T338] devlink_reload (net/devlink/dev.c:474) 
[ 13.008650][ T338] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 13.008854][ T338] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 13.009124][ T338] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 13.009336][ T338] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 13.009588][ T338] ? __nla_parse (lib/nlattr.c:732) 
[ 13.009802][ T338] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 13.010008][ T338] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 13.010280][ T338] ? cap_capable (security/commoncap.c:131) 
[ 13.010484][ T338] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 13.010692][ T338] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 13.010902][ T338] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 13.011117][ T338] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 13.011361][ T338] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 13.011612][ T338] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 13.011874][ T338] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 13.012093][ T338] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 13.012299][ T338] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 13.012509][ T338] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 13.012727][ T338] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 13.012890][ T338] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 13.013110][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 13.013327][ T338] genl_rcv (net/netlink/genetlink.c:1220) 
[ 13.013483][ T338] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 13.013690][ T338] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 13.013892][ T338] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 13.014121][ T338] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 13.014330][ T338] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 13.014537][ T338] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 13.014742][ T338] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 13.014955][ T338] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 13.015172][ T338] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 13.015383][ T338] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 13.015593][ T338] ? __sys_recvmsg (net/socket.c:2859) 
[ 13.015793][ T338] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 13.016009][ T338] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 13.016232][ T338] __x64_sys_sendto (net/socket.c:2181) 
[ 13.016436][ T338] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 13.016680][ T338] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 13.016887][ T338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   13.017178][  T338] RIP: 0033:0x7ff5a90d2a4a
[ 13.017454][ T338] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   13.018140][  T338] RSP: 002b:00007ffe38c3d4e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   13.018439][  T338] RAX: ffffffffffffffda RBX: 0000000021ed2b00 RCX: 00007ff5a90d2a4a
[   13.018739][  T338] RDX: 0000000000000038 RSI: 0000000021ed2b00 RDI: 0000000000000005
[   13.019030][  T338] RBP: 0000000021ed2910 R08: 00007ff5a9276200 R09: 000000000000000c
[   13.019331][  T338] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   13.019622][  T338] R13: 0000000021ed2910 R14: 0000000000000000 R15: 0000000000000003
| [   13.689035][  T349] ------------[ cut here ]------------
| [ 13.689400][ T349] WARNING: CPU: 2 PID: 349 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   13.689799][  T349] Modules linked in: netdevsim
| [   13.690381][  T349] Tainted: [W]=WARN
[   13.690546][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 13.690794][ T349] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.691050][ T349] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   13.691729][  T349] RSP: 0018:ffffc900008e71e8 EFLAGS: 00010246
[   13.691981][  T349] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   13.692283][  T349] RDX: 0000000000000000 RSI: ffff888008fb2c98 RDI: ffff888009cbd080
[   13.692572][  T349] RBP: ffff88800a3a8040 R08: 0000000000000000 R09: fffffbfff5b3d83c
[   13.692864][  T349] R10: ffffffffad9ec1e7 R11: ffff888009cbc5c0 R12: 0000000000000000
[   13.693165][  T349] R13: ffff888008fb2128 R14: ffff888008fb2008 R15: ffff888008fb2000
[   13.693456][  T349] FS:  00007fd6761a0800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   13.693794][  T349] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.694041][  T349] CR2: 00007fd676550200 CR3: 000000000b72c003 CR4: 0000000000772ef0
[   13.694350][  T349] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   13.694639][  T349] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   13.694930][  T349] PKRU: 55555554
[   13.695098][  T349] Call Trace:
[   13.695253][  T349]  <TASK>
[ 13.695364][ T349] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.695568][ T349] ? __warn (kernel/panic.c:748) 
[ 13.695731][ T349] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.695937][ T349] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 13.696156][ T349] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 13.696316][ T349] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 13.696519][ T349] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 13.696732][ T349] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.696936][ T349] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 13.697187][ T349] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 13.697443][ T349] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 13.697652][ T349] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 13.697859][ T349] register_netdevice (net/core/dev.c:11003) 
[ 13.698064][ T349] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 13.698292][ T349] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 13.698511][ T349] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 13.698773][ T349] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 13.699035][ T349] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 13.699310][ T349] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 13.699569][ T349] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 13.699821][ T349] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 13.700072][ T349] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 13.700284][ T349] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 13.700544][ T349] devlink_reload (net/devlink/dev.c:474) 
[ 13.700751][ T349] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 13.700952][ T349] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 13.701218][ T349] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 13.701428][ T349] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 13.701678][ T349] ? __nla_parse (lib/nlattr.c:732) 
[ 13.701889][ T349] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 13.702104][ T349] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 13.702362][ T349] ? cap_capable (security/commoncap.c:131) 
[ 13.702563][ T349] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 13.702769][ T349] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 13.702978][ T349] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 13.703194][ T349] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 13.703440][ T349] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 13.703684][ T349] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 13.703943][ T349] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 13.704155][ T349] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 13.704357][ T349] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 13.704565][ T349] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 13.704781][ T349] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 13.704937][ T349] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 13.705152][ T349] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 13.705361][ T349] genl_rcv (net/netlink/genetlink.c:1220) 
[ 13.705518][ T349] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 13.705723][ T349] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 13.705928][ T349] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 13.706151][ T349] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 13.706357][ T349] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 13.706559][ T349] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 13.706762][ T349] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 13.706976][ T349] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 13.707208][ T349] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 13.707422][ T349] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 13.707635][ T349] ? __sys_recvmsg (net/socket.c:2859) 
[ 13.707839][ T349] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 13.708051][ T349] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 13.708270][ T349] __x64_sys_sendto (net/socket.c:2181) 
[ 13.708472][ T349] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 13.708718][ T349] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 13.708920][ T349] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   13.709181][  T349] RIP: 0033:0x7fd6763aca4a
[ 13.709386][ T349] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   13.710044][  T349] RSP: 002b:00007ffcfbedbf48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   13.710352][  T349] RAX: ffffffffffffffda RBX: 0000000003093b00 RCX: 00007fd6763aca4a
[   13.710647][  T349] RDX: 0000000000000038 RSI: 0000000003093b00 RDI: 0000000000000005
[   13.710938][  T349] RBP: 0000000003093910 R08: 00007fd676550200 R09: 000000000000000c
[   13.711240][  T349] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   13.711536][  T349] R13: 0000000003093910 R14: 0000000000000000 R15: 0000000000000003
| [   15.571650][  T410] ------------[ cut here ]------------
| [ 15.571954][ T410] WARNING: CPU: 0 PID: 410 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   15.572350][  T410] Modules linked in: netdevsim
| [   15.572881][  T410] Tainted: [W]=WARN
[   15.573026][  T410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 15.573280][ T410] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.573525][ T410] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   15.574187][  T410] RSP: 0018:ffffc90000bf71e8 EFLAGS: 00010246
[   15.574426][  T410] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   15.574716][  T410] RDX: 0000000000000000 RSI: ffff888004e12c98 RDI: ffff8880093eadc0
[   15.574997][  T410] RBP: ffff88800a3a8040 R08: 0000000000000000 R09: fffffbfff5b3d83c
[   15.575282][  T410] R10: ffffffffad9ec1e7 R11: ffff8880093ea300 R12: 0000000000000000
[   15.575560][  T410] R13: ffff888004e12128 R14: ffff888004e12008 R15: ffff888004e12000
[   15.575839][  T410] FS:  00007f0410053800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   15.576180][  T410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.576416][  T410] CR2: 00007f9f204b6258 CR3: 000000000b72c006 CR4: 0000000000772ef0
[   15.576696][  T410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   15.576974][  T410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   15.577280][  T410] PKRU: 55555554
[   15.577426][  T410] Call Trace:
[   15.577570][  T410]  <TASK>
[ 15.577670][ T410] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.577858][ T410] ? __warn (kernel/panic.c:748) 
[ 15.578003][ T410] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.578206][ T410] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 15.578402][ T410] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 15.578548][ T410] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 15.578737][ T410] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 15.578938][ T410] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.579137][ T410] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 15.579333][ T410] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 15.579573][ T410] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 15.579769][ T410] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 15.579963][ T410] register_netdevice (net/core/dev.c:11003) 
[ 15.580166][ T410] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 15.580370][ T410] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 15.580576][ T410] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 15.580819][ T410] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 15.581072][ T410] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 15.581334][ T410] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 15.581577][ T410] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 15.581818][ T410] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 15.582055][ T410] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 15.582252][ T410] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 15.582503][ T410] devlink_reload (net/devlink/dev.c:474) 
[ 15.582697][ T410] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 15.582891][ T410] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 15.583144][ T410] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 15.583339][ T410] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 15.583575][ T410] ? __nla_parse (lib/nlattr.c:732) 
[ 15.583802][ T410] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 15.583997][ T410] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 15.584255][ T410] ? cap_capable (security/commoncap.c:131) 
[ 15.584445][ T410] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 15.584642][ T410] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 15.584833][ T410] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 15.585020][ T410] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 15.585261][ T410] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 15.585492][ T410] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 15.585740][ T410] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 15.585933][ T410] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 15.586130][ T410] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 15.586325][ T410] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 15.586528][ T410] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 15.586674][ T410] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 15.586864][ T410] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 15.587060][ T410] genl_rcv (net/netlink/genetlink.c:1220) 
[ 15.587224][ T410] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 15.587419][ T410] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 15.587611][ T410] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 15.587806][ T410] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 15.587998][ T410] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 15.588200][ T410] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 15.588392][ T410] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 15.588593][ T410] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 15.588787][ T410] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 15.588987][ T410] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 15.589191][ T410] ? __sys_recvmsg (net/socket.c:2859) 
[ 15.589381][ T410] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 15.589583][ T410] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 15.589778][ T410] __x64_sys_sendto (net/socket.c:2181) 
[ 15.589966][ T410] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 15.590211][ T410] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 15.590403][ T410] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   15.590636][  T410] RIP: 0033:0x7f041025fa4a
[ 15.590831][ T410] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   15.591504][  T410] RSP: 002b:00007ffd733d9e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   15.591788][  T410] RAX: ffffffffffffffda RBX: 000000001172bb00 RCX: 00007f041025fa4a
[   15.592077][  T410] RDX: 0000000000000038 RSI: 000000001172bb00 RDI: 0000000000000005
[   15.592375][  T410] RBP: 000000001172b910 R08: 00007f0410403200 R09: 000000000000000c
[   15.592655][  T410] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   15.592933][  T410] R13: 000000001172b910 R14: 0000000000000000 R15: 0000000000000003
| [   16.261010][  T421] ------------[ cut here ]------------
| [ 16.261327][ T421] WARNING: CPU: 3 PID: 421 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   16.261704][  T421] Modules linked in: netdevsim
| [   16.262260][  T421] Tainted: [W]=WARN
[   16.262408][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.262646][ T421] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.262884][ T421] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   16.263568][  T421] RSP: 0018:ffffc90000c571e8 EFLAGS: 00010246
[   16.263808][  T421] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   16.264102][  T421] RDX: 0000000000000000 RSI: ffff888004ee2c98 RDI: ffff888005f4d080
[   16.264378][  T421] RBP: ffff88800a3a8040 R08: 0000000000000000 R09: fffffbfff5b3d83c
[   16.264654][  T421] R10: ffffffffad9ec1e7 R11: ffff888005f4c5c0 R12: 0000000000000000
[   16.264928][  T421] R13: ffff888004ee2128 R14: ffff888004ee2008 R15: ffff888004ee2000
[   16.265217][  T421] FS:  00007f7251ac6800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   16.265540][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.265773][  T421] CR2: 00007f7251e76200 CR3: 00000000095c8001 CR4: 0000000000772ef0
[   16.266050][  T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   16.266349][  T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   16.266627][  T421] PKRU: 55555554
[   16.266768][  T421] Call Trace:
[   16.266908][  T421]  <TASK>
[ 16.267004][ T421] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.267211][ T421] ? __warn (kernel/panic.c:748) 
[ 16.267357][ T421] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.267550][ T421] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 16.267744][ T421] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 16.267888][ T421] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 16.268075][ T421] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 16.268285][ T421] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.268474][ T421] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 16.268667][ T421] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 16.268905][ T421] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 16.269114][ T421] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 16.269306][ T421] register_netdevice (net/core/dev.c:11003) 
[ 16.269498][ T421] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 16.269695][ T421] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 16.269898][ T421] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 16.270162][ T421] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 16.270426][ T421] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 16.270673][ T421] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 16.270915][ T421] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 16.271166][ T421] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 16.271408][ T421] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 16.271597][ T421] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 16.271843][ T421] devlink_reload (net/devlink/dev.c:474) 
[ 16.272035][ T421] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 16.272236][ T421] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 16.272483][ T421] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 16.272674][ T421] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.272931][ T421] ? __nla_parse (lib/nlattr.c:732) 
[ 16.273147][ T421] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 16.273339][ T421] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 16.273589][ T421] ? cap_capable (security/commoncap.c:131) 
[ 16.273776][ T421] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 16.273973][ T421] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 16.274188][ T421] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 16.274378][ T421] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 16.274613][ T421] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.274843][ T421] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 16.275100][ T421] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 16.275291][ T421] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 16.275480][ T421] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 16.275670][ T421] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 16.275875][ T421] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 16.276017][ T421] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 16.276226][ T421] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 16.276423][ T421] genl_rcv (net/netlink/genetlink.c:1220) 
[ 16.276565][ T421] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 16.276756][ T421] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 16.276945][ T421] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 16.277162][ T421] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 16.277362][ T421] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 16.277547][ T421] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 16.277737][ T421] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 16.277932][ T421] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 16.278146][ T421] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 16.278349][ T421] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 16.278542][ T421] ? __sys_recvmsg (net/socket.c:2859) 
[ 16.278727][ T421] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 16.278929][ T421] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 16.279136][ T421] __x64_sys_sendto (net/socket.c:2181) 
[ 16.279323][ T421] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 16.279557][ T421] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 16.279748][ T421] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.279976][  T421] RIP: 0033:0x7f7251cd2a4a
[ 16.280180][ T421] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   16.280834][  T421] RSP: 002b:00007ffda05b47c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   16.281126][  T421] RAX: ffffffffffffffda RBX: 000000000db29b00 RCX: 00007f7251cd2a4a
[   16.281403][  T421] RDX: 0000000000000038 RSI: 000000000db29b00 RDI: 0000000000000005
[   16.281684][  T421] RBP: 000000000db29910 R08: 00007f7251e76200 R09: 000000000000000c
[   16.281958][  T421] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   16.282254][  T421] R13: 000000000db29910 R14: 0000000000000000 R15: 0000000000000003
| [   17.336672][  T453] ------------[ cut here ]------------
| [ 17.336966][ T453] WARNING: CPU: 0 PID: 453 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   17.337365][  T453] Modules linked in: netdevsim
| [   17.337887][  T453] Tainted: [W]=WARN
[   17.338032][  T453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.338284][ T453] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.338525][ T453] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   17.339199][  T453] RSP: 0018:ffffc90000d271e8 EFLAGS: 00010246
[   17.339437][  T453] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   17.339718][  T453] RDX: 0000000000000000 RSI: ffff88800531ac98 RDI: ffff8880094a8b00
[   17.339997][  T453] RBP: ffff88800a3a8040 R08: 0000000000000000 R09: fffffbfff5b3d83c
[   17.340364][  T453] R10: ffffffffad9ec1e7 R11: ffff8880094a8040 R12: 0000000000000000
[   17.340645][  T453] R13: ffff88800531a128 R14: ffff88800531a008 R15: ffff88800531a000
[   17.340929][  T453] FS:  00007f2ace37a800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   17.341357][  T453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.341600][  T453] CR2: 00007f2ace72a200 CR3: 0000000009e98003 CR4: 0000000000772ef0
[   17.341876][  T453] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   17.342242][  T453] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   17.342524][  T453] PKRU: 55555554
[   17.342666][  T453] Call Trace:
[   17.342811][  T453]  <TASK>
[ 17.342909][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.343188][ T453] ? __warn (kernel/panic.c:748) 
[ 17.343336][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.343526][ T453] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 17.343721][ T453] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 17.343865][ T453] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 17.344056][ T453] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 17.344267][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.344456][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 17.344647][ T453] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 17.344884][ T453] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 17.345091][ T453] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 17.345283][ T453] register_netdevice (net/core/dev.c:11003) 
[ 17.345478][ T453] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 17.345678][ T453] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 17.345883][ T453] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 17.346139][ T453] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 17.346391][ T453] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 17.346640][ T453] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 17.346883][ T453] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 17.347154][ T453] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 17.347398][ T453] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 17.347586][ T453] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 17.347834][ T453] devlink_reload (net/devlink/dev.c:474) 
[ 17.348028][ T453] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 17.348233][ T453] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 17.348478][ T453] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 17.348669][ T453] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 17.348904][ T453] ? __nla_parse (lib/nlattr.c:732) 
[ 17.349117][ T453] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 17.349313][ T453] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 17.349561][ T453] ? cap_capable (security/commoncap.c:131) 
[ 17.349749][ T453] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 17.349946][ T453] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 17.350148][ T453] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 17.350336][ T453] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 17.350569][ T453] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 17.350805][ T453] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 17.351050][ T453] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 17.351277][ T453] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 17.351465][ T453] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 17.351654][ T453] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 17.351854][ T453] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 17.352000][ T453] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 17.352199][ T453] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 17.352395][ T453] genl_rcv (net/netlink/genetlink.c:1220) 
[ 17.352536][ T453] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 17.352730][ T453] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 17.352920][ T453] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 17.353128][ T453] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 17.353322][ T453] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 17.353509][ T453] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 17.353701][ T453] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 17.353898][ T453] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 17.354102][ T453] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 17.354290][ T453] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 17.354439][ T453] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 17.354632][ T453] ? __sys_recvmsg (net/socket.c:2859) 
[ 17.354823][ T453] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 17.355022][ T453] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 17.355234][ T453] __x64_sys_sendto (net/socket.c:2181) 
[ 17.355425][ T453] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 17.355669][ T453] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 17.355860][ T453] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.356102][  T453] RIP: 0033:0x7f2ace586a4a
[ 17.356296][ T453] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   17.356952][  T453] RSP: 002b:00007ffcfe77b668 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   17.357267][  T453] RAX: ffffffffffffffda RBX: 000000002414cb00 RCX: 00007f2ace586a4a
[   17.357574][  T453] RDX: 0000000000000038 RSI: 000000002414cb00 RDI: 0000000000000005
[   17.357872][  T453] RBP: 000000002414c910 R08: 00007f2ace72a200 R09: 000000000000000c
[   17.358167][  T453] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   17.358441][  T453] R13: 000000002414c910 R14: 0000000000000000 R15: 0000000000000003
| [   18.225790][  T469] ------------[ cut here ]------------
| [ 18.226160][ T469] WARNING: CPU: 2 PID: 469 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   18.226555][  T469] Modules linked in: netdevsim
| [   18.227136][  T469] Tainted: [W]=WARN
[   18.227304][  T469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.227549][ T469] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.227806][ T469] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   18.228484][  T469] RSP: 0018:ffffc90000e071e8 EFLAGS: 00010246
[   18.228733][  T469] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   18.229023][  T469] RDX: 0000000000000000 RSI: ffff88800bd32c98 RDI: ffff8880094ad080
[   18.229331][  T469] RBP: ffff88800a3a8040 R08: 0000000000000000 R09: fffffbfff5b3d83c
[   18.229620][  T469] R10: ffffffffad9ec1e7 R11: ffff8880094ac5c0 R12: 0000000000000000
[   18.229909][  T469] R13: ffff88800bd32128 R14: ffff88800bd32008 R15: ffff88800bd32000
[   18.230229][  T469] FS:  00007f4456423800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   18.230573][  T469] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.230819][  T469] CR2: 00007f44567d3200 CR3: 0000000005448003 CR4: 0000000000772ef0
[   18.231208][  T469] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   18.231581][  T469] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   18.231952][  T469] PKRU: 55555554
[   18.232193][  T469] Call Trace:
[   18.232426][  T469]  <TASK>
[ 18.232609][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.232810][ T469] ? __warn (kernel/panic.c:748) 
[ 18.232971][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.233185][ T469] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 18.233394][ T469] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 18.233549][ T469] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 18.233755][ T469] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 18.233972][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.234201][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 18.234410][ T469] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 18.234664][ T469] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 18.234872][ T469] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 18.235089][ T469] register_netdevice (net/core/dev.c:11003) 
[ 18.235301][ T469] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 18.235511][ T469] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 18.235730][ T469] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 18.235987][ T469] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 18.236262][ T469] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 18.236530][ T469] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 18.236787][ T469] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 18.237040][ T469] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 18.237441][ T469] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 18.237667][ T469] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 18.237931][ T469] devlink_reload (net/devlink/dev.c:474) 
[ 18.238176][ T469] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 18.238384][ T469] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 18.238649][ T469] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 18.238852][ T469] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 18.239117][ T469] ? __nla_parse (lib/nlattr.c:732) 
[ 18.239332][ T469] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 18.239540][ T469] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 18.239803][ T469] ? cap_capable (security/commoncap.c:131) 
[ 18.240005][ T469] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 18.240223][ T469] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 18.240430][ T469] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 18.240629][ T469] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 18.240874][ T469] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 18.241143][ T469] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 18.241409][ T469] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 18.241610][ T469] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 18.241811][ T469] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 18.242019][ T469] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 18.242267][ T469] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 18.242424][ T469] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 18.242630][ T469] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 18.242844][ T469] genl_rcv (net/netlink/genetlink.c:1220) 
[ 18.243004][ T469] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 18.243222][ T469] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 18.243430][ T469] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 18.243640][ T469] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 18.243844][ T469] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 18.244045][ T469] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 18.244262][ T469] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 18.244474][ T469] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 18.244677][ T469] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 18.244887][ T469] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 18.245101][ T469] ? __sys_recvmsg (net/socket.c:2859) 
[ 18.245303][ T469] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 18.245512][ T469] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 18.245716][ T469] __x64_sys_sendto (net/socket.c:2181) 
[ 18.245924][ T469] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 18.246199][ T469] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 18.246406][ T469] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.246651][  T469] RIP: 0033:0x7f445662fa4a
[ 18.246857][ T469] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   18.247545][  T469] RSP: 002b:00007ffe2783a5b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   18.247844][  T469] RAX: ffffffffffffffda RBX: 000000002dca3b00 RCX: 00007f445662fa4a
[   18.248144][  T469] RDX: 0000000000000038 RSI: 000000002dca3b00 RDI: 0000000000000005
[   18.248436][  T469] RBP: 000000002dca3910 R08: 00007f44567d3200 R09: 000000000000000c
[   18.248734][  T469] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   18.249022][  T469] R13: 000000002dca3910 R14: 0000000000000000 R15: 0000000000000003
| [  289.895697][  T981] ------------[ cut here ]------------
| [ 289.895974][ T981] WARNING: CPU: 0 PID: 981 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  289.896392][  T981] Modules linked in: netdevsim
| [  289.896966][  T981] Tainted: [W]=WARN
[  289.897130][  T981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 289.897372][ T981] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 289.897619][ T981] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  289.898305][  T981] RSP: 0018:ffffc90001e171e8 EFLAGS: 00010246
[  289.898550][  T981] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  289.898832][  T981] RDX: 0000000000000000 RSI: ffff888009302c98 RDI: ffff888004fe2dc0
[  289.899135][  T981] RBP: ffff88800a3a8040 R08: 0000000000000000 R09: fffffbfff5b3d83c
[  289.899420][  T981] R10: ffffffffad9ec1e7 R11: ffff888004fe2300 R12: 0000000000000000
[  289.899707][  T981] R13: ffff888009302128 R14: ffff888009302008 R15: ffff888009302000
[  289.899994][  T981] FS:  00007f10e21c5800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  289.900351][  T981] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.900594][  T981] CR2: 00007f10e2575200 CR3: 00000000093b4005 CR4: 0000000000772ef0
[  289.900879][  T981] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  289.901196][  T981] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  289.901483][  T981] PKRU: 55555554
[  289.901641][  T981] Call Trace:
[  289.901789][  T981]  <TASK>
[ 289.901897][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 289.902109][ T981] ? __warn (kernel/panic.c:748) 
[ 289.902260][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 289.902453][ T981] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 289.902657][ T981] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 289.902805][ T981] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 289.903009][ T981] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 289.903239][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 289.903444][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 289.903643][ T981] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 289.903898][ T981] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 289.904999][ T981] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 289.905236][ T981] register_netdevice (net/core/dev.c:11003) 
[ 289.905453][ T981] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 289.905674][ T981] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 289.905926][ T981] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 289.906213][ T981] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 289.906491][ T981] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 289.906768][ T981] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 289.907041][ T981] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 289.907330][ T981] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 289.907599][ T981] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 289.907814][ T981] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 289.908115][ T981] devlink_reload (net/devlink/dev.c:474) 
[ 289.908334][ T981] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 289.908558][ T981] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 289.908835][ T981] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 289.909066][ T981] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 289.909366][ T981] ? __nla_parse (lib/nlattr.c:732) 
[ 289.909611][ T981] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 289.909844][ T981] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 289.910148][ T981] ? cap_capable (security/commoncap.c:131) 
[ 289.910376][ T981] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 289.910608][ T981] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 289.910840][ T981] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 289.911057][ T981] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 289.911330][ T981] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 289.911589][ T981] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 289.911864][ T981] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 289.912071][ T981] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 289.912292][ T981] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 289.912500][ T981] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 289.912757][ T981] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 289.912919][ T981] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 289.913145][ T981] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 289.913358][ T981] genl_rcv (net/netlink/genetlink.c:1220) 
[ 289.913515][ T981] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 289.913737][ T981] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 289.913947][ T981] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 289.914183][ T981] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 289.914394][ T981] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 289.914602][ T981] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 289.914810][ T981] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 289.915025][ T981] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 289.915244][ T981] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 289.915474][ T981] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 289.915694][ T981] ? __sys_recvmsg (net/socket.c:2859) 
[ 289.915935][ T981] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 289.916165][ T981] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 289.916376][ T981] __x64_sys_sendto (net/socket.c:2181) 
[ 289.916579][ T981] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 289.916834][ T981] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 289.917050][ T981] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  289.917326][  T981] RIP: 0033:0x7f10e23d1a4a
[ 289.917545][ T981] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  289.918261][  T981] RSP: 002b:00007fffc8634838 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  289.918568][  T981] RAX: ffffffffffffffda RBX: 000000000b40fb00 RCX: 00007f10e23d1a4a
[  289.918874][  T981] RDX: 0000000000000038 RSI: 000000000b40fb00 RDI: 0000000000000005
[  289.919186][  T981] RBP: 000000000b40f910 R08: 00007f10e2575200 R09: 000000000000000c
[  289.919484][  T981] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  289.919784][  T981] R13: 000000000b40f910 R14: 0000000000000000 R15: 0000000000000003
| [  290.676963][  T995] ------------[ cut here ]------------
| [ 290.677310][ T995] WARNING: CPU: 2 PID: 995 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  290.677744][  T995] Modules linked in: netdevsim
| [  290.678419][  T995] Tainted: [W]=WARN
[  290.678597][  T995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 290.678863][ T995] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 290.679158][ T995] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  290.679885][  T995] RSP: 0018:ffffc90001e771e8 EFLAGS: 00010246
[  290.680252][  T995] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  290.680547][  T995] RDX: 0000000000000000 RSI: ffff888008fb2c98 RDI: ffff88800a250b00
[  290.680841][  T995] RBP: ffff88800a3a8040 R08: 0000000000000000 R09: fffffbfff5b3d83c
[  290.681146][  T995] R10: ffffffffad9ec1e7 R11: ffff88800a250040 R12: 0000000000000000
[  290.681447][  T995] R13: ffff888008fb2128 R14: ffff888008fb2008 R15: ffff888008fb2000
[  290.681741][  T995] FS:  00007f2abe60a800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  290.682128][  T995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.682383][  T995] CR2: 00007f2abe9ba200 CR3: 000000000b77e002 CR4: 0000000000772ef0
[  290.682692][  T995] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  290.682988][  T995] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  290.683393][  T995] PKRU: 55555554
[  290.683635][  T995] Call Trace:
[  290.683909][  T995]  <TASK>
[ 290.684122][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 290.684396][ T995] ? __warn (kernel/panic.c:748) 
[ 290.684576][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 290.684796][ T995] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 290.685027][ T995] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 290.685216][ T995] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 290.685440][ T995] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 290.685674][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 290.685910][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 290.686193][ T995] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 290.686469][ T995] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 290.686699][ T995] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 290.686925][ T995] register_netdevice (net/core/dev.c:11003) 
[ 290.687170][ T995] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 290.687402][ T995] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 290.687648][ T995] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 290.687927][ T995] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 290.688256][ T995] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 290.688516][ T995] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 290.688774][ T995] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 290.689031][ T995] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 290.689316][ T995] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 290.689518][ T995] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 290.689779][ T995] devlink_reload (net/devlink/dev.c:474) 
[ 290.690021][ T995] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 290.690288][ T995] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 290.690561][ T995] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 290.690777][ T995] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 290.691091][ T995] ? __nla_parse (lib/nlattr.c:732) 
[ 290.691326][ T995] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 290.691617][ T995] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 290.692017][ T995] ? cap_capable (security/commoncap.c:131) 
[ 290.692290][ T995] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 290.692521][ T995] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 290.692751][ T995] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 290.692989][ T995] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 290.693276][ T995] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 290.693546][ T995] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 290.693818][ T995] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 290.694049][ T995] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 290.694294][ T995] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 290.694527][ T995] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 290.694756][ T995] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 290.694925][ T995] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 290.695218][ T995] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 290.695574][ T995] genl_rcv (net/netlink/genetlink.c:1220) 
[ 290.695895][ T995] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 290.696262][ T995] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 290.696630][ T995] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 290.696999][ T995] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 290.697397][ T995] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 290.697744][ T995] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 290.698129][ T995] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 290.698505][ T995] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 290.698855][ T995] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 290.699234][ T995] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 290.699591][ T995] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 290.699965][ T995] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 290.700362][ T995] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 290.700809][ T995] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 290.701302][ T995] __x64_sys_sendto (net/socket.c:2181) 
[ 290.701663][ T995] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 290.702121][ T995] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 290.702486][ T995] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  290.702915][  T995] RIP: 0033:0x7f2abe816a4a
[ 290.703305][ T995] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  290.704498][  T995] RSP: 002b:00007ffd1f375f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  290.705026][  T995] RAX: ffffffffffffffda RBX: 000000003013eb00 RCX: 00007f2abe816a4a
[  290.705549][  T995] RDX: 0000000000000038 RSI: 000000003013eb00 RDI: 0000000000000005
[  290.705972][  T995] RBP: 000000003013e910 R08: 00007f2abe9ba200 R09: 000000000000000c
[  290.706313][  T995] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  290.706635][  T995] R13: 000000003013e910 R14: 0000000000000000 R15: 0000000000000003
| [  291.780569][ T1026] ------------[ cut here ]------------
| [ 291.780862][ T1026] WARNING: CPU: 0 PID: 1026 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  291.781321][ T1026] Modules linked in: netdevsim
| [  291.781917][ T1026] Tainted: [W]=WARN
[  291.782111][ T1026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 291.782368][ T1026] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 291.782645][ T1026] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  291.783429][ T1026] RSP: 0018:ffffc90001fa71e8 EFLAGS: 00010246
[  291.783778][ T1026] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  291.784067][ T1026] RDX: 0000000000000000 RSI: ffff888004e12c98 RDI: ffff888004e5d080
[  291.784397][ T1026] RBP: ffff88800a3a8040 R08: 0000000000000000 R09: fffffbfff5b3d83c
[  291.784744][ T1026] R10: ffffffffad9ec1e7 R11: ffff888004e5c5c0 R12: 0000000000000000
[  291.785056][ T1026] R13: ffff888004e12128 R14: ffff888004e12008 R15: ffff888004e12000
[  291.785371][ T1026] FS:  00007fedcf51d800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  291.785742][ T1026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  291.786000][ T1026] CR2: 00007fedcf8cd200 CR3: 000000000a2d4003 CR4: 0000000000772ef0
[  291.786318][ T1026] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  291.786630][ T1026] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  291.786936][ T1026] PKRU: 55555554
[  291.787103][ T1026] Call Trace:
[  291.787261][ T1026]  <TASK>
[ 291.787368][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 291.787579][ T1026] ? __warn (kernel/panic.c:748) 
[ 291.787742][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 291.787953][ T1026] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 291.788211][ T1026] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 291.788372][ T1026] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 291.788580][ T1026] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 291.788797][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 291.789004][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 291.789230][ T1026] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 291.789493][ T1026] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 291.789712][ T1026] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 291.789924][ T1026] register_netdevice (net/core/dev.c:11003) 
[ 291.790147][ T1026] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 291.790364][ T1026] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 291.790590][ T1026] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 291.790858][ T1026] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 291.791144][ T1026] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 291.791416][ T1026] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 291.791680][ T1026] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 291.791939][ T1026] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 291.792208][ T1026] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 291.792416][ T1026] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 291.792685][ T1026] devlink_reload (net/devlink/dev.c:474) 
[ 291.792898][ T1026] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 291.793117][ T1026] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 291.793379][ T1026] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 291.793586][ T1026] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 291.793843][ T1026] ? __nla_parse (lib/nlattr.c:732) 
[ 291.794058][ T1026] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 291.794278][ T1026] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 291.794548][ T1026] ? cap_capable (security/commoncap.c:131) 
[ 291.794796][ T1026] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 291.795062][ T1026] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 291.795295][ T1026] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 291.795499][ T1026] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 291.795764][ T1026] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 291.796016][ T1026] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 291.796290][ T1026] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 291.796495][ T1026] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 291.796740][ T1026] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 291.796950][ T1026] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 291.797183][ T1026] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 291.797344][ T1026] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 291.797554][ T1026] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 291.797763][ T1026] genl_rcv (net/netlink/genetlink.c:1220) 
[ 291.797919][ T1026] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 291.798141][ T1026] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 291.798346][ T1026] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 291.798557][ T1026] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 291.798766][ T1026] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 291.798982][ T1026] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 291.799210][ T1026] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 291.799436][ T1026] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 291.799660][ T1026] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 291.799883][ T1026] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 291.800116][ T1026] ? __sys_recvmsg (net/socket.c:2859) 
[ 291.800333][ T1026] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 291.800576][ T1026] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 291.800792][ T1026] __x64_sys_sendto (net/socket.c:2181) 
[ 291.801005][ T1026] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 291.801276][ T1026] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 291.801490][ T1026] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  291.801747][ T1026] RIP: 0033:0x7fedcf729a4a
[ 291.801961][ T1026] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  291.802741][ T1026] RSP: 002b:00007fff1e1d3148 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  291.803076][ T1026] RAX: ffffffffffffffda RBX: 000000003b044b00 RCX: 00007fedcf729a4a
[  291.803397][ T1026] RDX: 0000000000000038 RSI: 000000003b044b00 RDI: 0000000000000005
[  291.803719][ T1026] RBP: 000000003b044910 R08: 00007fedcf8cd200 R09: 000000000000000c
[  291.804158][ T1026] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  291.804467][ T1026] R13: 000000003b044910 R14: 0000000000000000 R15: 0000000000000003
| [  292.883153][ T1044] ------------[ cut here ]------------
| [ 292.883460][ T1044] WARNING: CPU: 1 PID: 1044 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  292.883899][ T1044] Modules linked in: netdevsim
| [  292.884547][ T1044] Tainted: [W]=WARN
[  292.884721][ T1044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 292.884997][ T1044] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.885288][ T1044] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  292.886096][ T1044] RSP: 0018:ffffc900020271e8 EFLAGS: 00010246
[  292.886368][ T1044] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  292.886716][ T1044] RDX: 0000000000000000 RSI: ffff888004ee2c98 RDI: ffff888009dc2dc0
[  292.887051][ T1044] RBP: ffff88800a3a8040 R08: 0000000000000000 R09: fffffbfff5b3d83c
[  292.887404][ T1044] R10: ffffffffad9ec1e7 R11: ffff888009dc2300 R12: 0000000000000000
[  292.887758][ T1044] R13: ffff888004ee2128 R14: ffff888004ee2008 R15: ffff888004ee2000
[  292.888108][ T1044] FS:  00007fd68dd37800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[  292.888505][ T1044] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  292.888784][ T1044] CR2: 00007fd68e0e7200 CR3: 0000000004c9e006 CR4: 0000000000772ef0
[  292.889122][ T1044] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  292.889456][ T1044] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  292.889787][ T1044] PKRU: 55555554
[  292.889953][ T1044] Call Trace:
[  292.890131][ T1044]  <TASK>
[ 292.890245][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.890469][ T1044] ? __warn (kernel/panic.c:748) 
[ 292.890642][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.890871][ T1044] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 292.891120][ T1044] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 292.891291][ T1044] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 292.891512][ T1044] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 292.891775][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.891987][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 292.892240][ T1044] ? mark_held_locks (kernel/locking/lockdep.c:4323) 
[ 292.892464][ T1044] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 292.892735][ T1044] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 292.893019][ T1044] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:908) 
[ 292.893257][ T1044] register_netdevice (net/core/dev.c:11003) 
[ 292.893471][ T1044] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 292.893686][ T1044] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 292.893911][ T1044] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 292.894187][ T1044] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 292.894457][ T1044] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 292.894724][ T1044] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 292.895010][ T1044] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 292.895302][ T1044] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 292.895578][ T1044] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 292.895819][ T1044] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 292.896120][ T1044] devlink_reload (net/devlink/dev.c:474) 
[ 292.896360][ T1044] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 292.896576][ T1044] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 292.896865][ T1044] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 292.897094][ T1044] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 292.897377][ T1044] ? __nla_parse (lib/nlattr.c:732) 
[ 292.897601][ T1044] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 292.897821][ T1044] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 292.898112][ T1044] ? cap_capable (security/commoncap.c:131) 
[ 292.898334][ T1044] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 292.898554][ T1044] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 292.898787][ T1044] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 292.899025][ T1044] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 292.899306][ T1044] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 292.899569][ T1044] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 292.899864][ T1044] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 292.900172][ T1044] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 292.900393][ T1044] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 292.900610][ T1044] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 292.900835][ T1044] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 292.900994][ T1044] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 292.901211][ T1044] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 292.901436][ T1044] genl_rcv (net/netlink/genetlink.c:1220) 
[ 292.901594][ T1044] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 292.901815][ T1044] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 292.902032][ T1044] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 292.902259][ T1044] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 292.902474][ T1044] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 292.902683][ T1044] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 292.902896][ T1044] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 292.903143][ T1044] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 292.903363][ T1044] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 292.903594][ T1044] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 292.903815][ T1044] ? __sys_recvmsg (net/socket.c:2859) 
[ 292.904063][ T1044] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 292.904317][ T1044] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 292.904578][ T1044] __x64_sys_sendto (net/socket.c:2181) 
[ 292.904801][ T1044] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 292.905074][ T1044] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 292.905332][ T1044] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  292.905612][ T1044] RIP: 0033:0x7fd68df43a4a
[ 292.905864][ T1044] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  292.906650][ T1044] RSP: 002b:00007ffcf3b18518 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  292.906979][ T1044] RAX: ffffffffffffffda RBX: 000000001807cb00 RCX: 00007fd68df43a4a
[  292.907327][ T1044] RDX: 0000000000000038 RSI: 000000001807cb00 RDI: 0000000000000005
[  292.907649][ T1044] RBP: 000000001807c910 R08: 00007fd68e0e7200 R09: 000000000000000c
[  292.907985][ T1044] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  292.908329][ T1044] R13: 000000001807c910 R14: 0000000000000000 R15: 0000000000000003
| [  296.528486][ T1136] ------------[ cut here ]------------
| [ 296.528831][ T1136] WARNING: CPU: 2 PID: 1136 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  296.529273][ T1136] Modules linked in: netdevsim
| [  296.529893][ T1136] Tainted: [W]=WARN
[  296.530112][ T1136] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 296.530393][ T1136] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 296.530677][ T1136] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  296.531520][ T1136] RSP: 0018:ffffc900023171e8 EFLAGS: 00010246
[  296.531794][ T1136] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  296.532115][ T1136] RDX: 0000000000000000 RSI: ffff88800531ac98 RDI: ffff88800b7b2dc0
[  296.532425][ T1136] RBP: ffff88800a3a8040 R08: 0000000000000000 R09: fffffbfff5b3d83c
[  296.532737][ T1136] R10: ffffffffad9ec1e7 R11: ffff88800b7b2300 R12: 0000000000000000
[  296.533045][ T1136] R13: ffff88800531a128 R14: ffff88800531a008 R15: ffff88800531a000
[  296.533468][ T1136] FS:  00007f3cd97fe800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  296.533934][ T1136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  296.534324][ T1136] CR2: 00007f3cd9bae200 CR3: 0000000005f62001 CR4: 0000000000772ef0
[  296.534718][ T1136] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  296.535059][ T1136] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  296.535380][ T1136] PKRU: 55555554
[  296.535549][ T1136] Call Trace:
[  296.535732][ T1136]  <TASK>
[ 296.535848][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 296.536068][ T1136] ? __warn (kernel/panic.c:748) 
[ 296.536247][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 296.536459][ T1136] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 296.536683][ T1136] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 296.536850][ T1136] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 296.537067][ T1136] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 296.537324][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 296.537564][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 296.537794][ T1136] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 296.538127][ T1136] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 296.538346][ T1136] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 296.538566][ T1136] register_netdevice (net/core/dev.c:11003) 
[ 296.538785][ T1136] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 296.539007][ T1136] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 296.539247][ T1136] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 296.539523][ T1136] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 296.539790][ T1136] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 296.540068][ T1136] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 296.540354][ T1136] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 296.540629][ T1136] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 296.540901][ T1136] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 296.541135][ T1136] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 296.541425][ T1136] devlink_reload (net/devlink/dev.c:474) 
[ 296.541654][ T1136] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 296.541876][ T1136] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 296.542169][ T1136] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 296.542384][ T1136] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 296.542655][ T1136] ? __nla_parse (lib/nlattr.c:732) 
[ 296.542934][ T1136] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 296.543196][ T1136] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 296.543497][ T1136] ? cap_capable (security/commoncap.c:131) 
[ 296.543725][ T1136] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 296.543979][ T1136] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 296.544210][ T1136] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 296.544422][ T1136] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 296.544682][ T1136] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 296.544941][ T1136] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 296.545232][ T1136] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 296.545456][ T1136] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 296.545665][ T1136] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 296.545906][ T1136] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 296.546153][ T1136] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 296.546325][ T1136] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 296.546571][ T1136] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 296.546821][ T1136] genl_rcv (net/netlink/genetlink.c:1220) 
[ 296.547031][ T1136] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 296.547277][ T1136] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 296.547496][ T1136] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 296.547721][ T1136] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 296.547954][ T1136] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 296.548173][ T1136] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 296.548394][ T1136] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 296.548628][ T1136] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 296.548859][ T1136] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 296.549099][ T1136] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 296.549320][ T1136] ? __sys_recvmsg (net/socket.c:2859) 
[ 296.549527][ T1136] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 296.549740][ T1136] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 296.549956][ T1136] __x64_sys_sendto (net/socket.c:2181) 
[ 296.550187][ T1136] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 296.550461][ T1136] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 296.550673][ T1136] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  296.550934][ T1136] RIP: 0033:0x7f3cd9a0aa4a
[ 296.551177][ T1136] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  296.551886][ T1136] RSP: 002b:00007ffcdb366fc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  296.552252][ T1136] RAX: ffffffffffffffda RBX: 00000000266ebb00 RCX: 00007f3cd9a0aa4a
[  296.552590][ T1136] RDX: 0000000000000038 RSI: 00000000266ebb00 RDI: 0000000000000005
[  296.552900][ T1136] RBP: 00000000266eb910 R08: 00007f3cd9bae200 R09: 000000000000000c
[  296.553222][ T1136] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  296.553533][ T1136] R13: 00000000266eb910 R14: 0000000000000000 R15: 0000000000000003
| [  297.540769][ T1150] ------------[ cut here ]------------
| [ 297.541124][ T1150] WARNING: CPU: 3 PID: 1150 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  297.541591][ T1150] Modules linked in: netdevsim
| [  297.542258][ T1150] Tainted: [W]=WARN
[  297.542462][ T1150] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 297.542746][ T1150] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.543006][ T1150] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  297.543801][ T1150] RSP: 0018:ffffc900023b71e8 EFLAGS: 00010246
[  297.544108][ T1150] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  297.544434][ T1150] RDX: 0000000000000000 RSI: ffff88800bd32c98 RDI: ffff8880024fadc0
[  297.544755][ T1150] RBP: ffff88800a3a8040 R08: 0000000000000000 R09: fffffbfff5b3d83c
[  297.545113][ T1150] R10: ffffffffad9ec1e7 R11: ffff8880024fa300 R12: 0000000000000000
[  297.545436][ T1150] R13: ffff88800bd32128 R14: ffff88800bd32008 R15: ffff88800bd32000
[  297.545887][ T1150] FS:  00007f8985747800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  297.546391][ T1150] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  297.546761][ T1150] CR2: 00007f8985af7200 CR3: 0000000009dd6001 CR4: 0000000000772ef0
[  297.547210][ T1150] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  297.547749][ T1150] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  297.548220][ T1150] PKRU: 55555554
[  297.548451][ T1150] Call Trace:
[  297.548688][ T1150]  <TASK>
[ 297.548854][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.549205][ T1150] ? __warn (kernel/panic.c:748) 
[ 297.549453][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.549771][ T1150] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 297.550133][ T1150] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 297.550380][ T1150] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 297.550703][ T1150] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 297.551058][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.551395][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 297.551725][ T1150] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 297.552180][ T1150] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 297.552518][ T1150] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 297.552847][ T1150] register_netdevice (net/core/dev.c:11003) 
[ 297.553181][ T1150] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 297.553517][ T1150] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 297.553797][ T1150] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 297.554116][ T1150] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 297.554388][ T1150] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 297.554651][ T1150] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 297.554926][ T1150] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 297.555198][ T1150] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 297.555469][ T1150] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 297.555735][ T1150] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 297.556026][ T1150] devlink_reload (net/devlink/dev.c:474) 
[ 297.556252][ T1150] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 297.556466][ T1150] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 297.556729][ T1150] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 297.556947][ T1150] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 297.557228][ T1150] ? __nla_parse (lib/nlattr.c:732) 
[ 297.557445][ T1150] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 297.557651][ T1150] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 297.557933][ T1150] ? cap_capable (security/commoncap.c:131) 
[ 297.558150][ T1150] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 297.558365][ T1150] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 297.558572][ T1150] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 297.558828][ T1150] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 297.559513][ T1150] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 297.559782][ T1150] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 297.560150][ T1150] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 297.560388][ T1150] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 297.560604][ T1150] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 297.560860][ T1150] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 297.561122][ T1150] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 297.561306][ T1150] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 297.561529][ T1150] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 297.561783][ T1150] genl_rcv (net/netlink/genetlink.c:1220) 
[ 297.561961][ T1150] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 297.562168][ T1150] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 297.562396][ T1150] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 297.562607][ T1150] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 297.562807][ T1150] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 297.563039][ T1150] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 297.563249][ T1150] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 297.563472][ T1150] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 297.563691][ T1150] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 297.563927][ T1150] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 297.564155][ T1150] ? __sys_recvmsg (net/socket.c:2859) 
[ 297.564356][ T1150] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 297.564557][ T1150] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 297.564782][ T1150] __x64_sys_sendto (net/socket.c:2181) 
[ 297.564988][ T1150] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 297.565242][ T1150] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 297.565438][ T1150] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  297.565689][ T1150] RIP: 0033:0x7f8985953a4a
[ 297.565944][ T1150] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  297.566655][ T1150] RSP: 002b:00007ffe546af868 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  297.566988][ T1150] RAX: ffffffffffffffda RBX: 0000000016c1db00 RCX: 00007f8985953a4a
[  297.567289][ T1150] RDX: 0000000000000038 RSI: 0000000016c1db00 RDI: 0000000000000005
[  297.567568][ T1150] RBP: 0000000016c1d910 R08: 00007f8985af7200 R09: 000000000000000c
[  297.567847][ T1150] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  297.568155][ T1150] R13: 0000000016c1d910 R14: 0000000000000000 R15: 0000000000000003
| [  300.254507][ T1215] ------------[ cut here ]------------
| [ 300.254842][ T1215] WARNING: CPU: 3 PID: 1215 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  300.255272][ T1215] Modules linked in: netdevsim
| [  300.255895][ T1215] Tainted: [W]=WARN
[  300.256105][ T1215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 300.256385][ T1215] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.256646][ T1215] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  300.257355][ T1215] RSP: 0018:ffffc900026171e8 EFLAGS: 00010246
[  300.257607][ T1215] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  300.257895][ T1215] RDX: 0000000000000000 RSI: ffff888009302c98 RDI: ffff88800df22dc0
[  300.258279][ T1215] RBP: ffff88800a3a8040 R08: 0000000000000000 R09: fffffbfff5b3d83c
[  300.258624][ T1215] R10: ffffffffad9ec1e7 R11: ffff88800df22300 R12: 0000000000000000
[  300.258994][ T1215] R13: ffff888009302128 R14: ffff888009302008 R15: ffff888009302000
[  300.259330][ T1215] FS:  00007f775a1ca800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  300.259730][ T1215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  300.259999][ T1215] CR2: 00007f775a57a200 CR3: 000000000b660005 CR4: 0000000000772ef0
[  300.260307][ T1215] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  300.260602][ T1215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  300.260890][ T1215] PKRU: 55555554
[  300.261055][ T1215] Call Trace:
[  300.261220][ T1215]  <TASK>
[ 300.261325][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.261562][ T1215] ? __warn (kernel/panic.c:748) 
[ 300.261720][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.261926][ T1215] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 300.262267][ T1215] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 300.262427][ T1215] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 300.262631][ T1215] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 300.262843][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.263063][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 300.263275][ T1215] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 300.263527][ T1215] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 300.263725][ T1215] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 300.263926][ T1215] register_netdevice (net/core/dev.c:11003) 
[ 300.264155][ T1215] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 300.264436][ T1215] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 300.264652][ T1215] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 300.264917][ T1215] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 300.265218][ T1215] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 300.265543][ T1215] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 300.265812][ T1215] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 300.266073][ T1215] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 300.266392][ T1215] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 300.266636][ T1215] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 300.266946][ T1215] devlink_reload (net/devlink/dev.c:474) 
[ 300.267248][ T1215] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 300.267547][ T1215] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 300.267958][ T1215] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 300.268318][ T1215] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 300.268737][ T1215] ? __nla_parse (lib/nlattr.c:732) 
[ 300.268998][ T1215] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 300.269286][ T1215] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 300.269581][ T1215] ? cap_capable (security/commoncap.c:131) 
[ 300.269805][ T1215] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 300.270031][ T1215] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 300.270264][ T1215] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 300.270502][ T1215] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 300.270777][ T1215] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 300.271055][ T1215] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 300.271327][ T1215] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 300.271573][ T1215] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 300.271777][ T1215] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 300.271985][ T1215] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 300.272275][ T1215] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 300.272473][ T1215] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 300.272725][ T1215] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 300.273009][ T1215] genl_rcv (net/netlink/genetlink.c:1220) 
[ 300.273258][ T1215] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 300.273586][ T1215] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 300.273921][ T1215] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 300.274282][ T1215] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 300.274617][ T1215] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 300.274945][ T1215] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 300.275290][ T1215] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 300.275636][ T1215] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 300.275878][ T1215] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 300.276099][ T1215] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 300.276300][ T1215] ? __sys_recvmsg (net/socket.c:2859) 
[ 300.276497][ T1215] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 300.276703][ T1215] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 300.276901][ T1215] __x64_sys_sendto (net/socket.c:2181) 
[ 300.277108][ T1215] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 300.277349][ T1215] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 300.277542][ T1215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  300.277784][ T1215] RIP: 0033:0x7f775a3d6a4a
[ 300.277985][ T1215] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  300.278712][ T1215] RSP: 002b:00007ffc0b420338 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  300.279004][ T1215] RAX: ffffffffffffffda RBX: 000000000410bb00 RCX: 00007f775a3d6a4a
[  300.279295][ T1215] RDX: 0000000000000038 RSI: 000000000410bb00 RDI: 0000000000000005
[  300.279578][ T1215] RBP: 000000000410b910 R08: 00007f775a57a200 R09: 000000000000000c
[  300.279860][ T1215] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  300.280150][ T1215] R13: 000000000410b910 R14: 0000000000000000 R15: 0000000000000003
| [  302.888453][ T1245] ------------[ cut here ]------------
| [ 302.889041][ T1245] WARNING: CPU: 2 PID: 1245 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  302.889885][ T1245] Modules linked in: netdevsim
| [  302.891046][ T1245] Tainted: [W]=WARN
[  302.891510][ T1245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 302.892115][ T1245] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 302.892757][ T1245] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  302.894356][ T1245] RSP: 0018:ffffc900026f71e8 EFLAGS: 00010246
[  302.895044][ T1245] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  302.895751][ T1245] RDX: 0000000000000000 RSI: ffff888008fb2c98 RDI: ffff88800df22dc0
[  302.896428][ T1245] RBP: ffff88800a3a8040 R08: 0000000000000000 R09: fffffbfff5b3d83c
[  302.897154][ T1245] R10: ffffffffad9ec1e7 R11: ffff88800df22300 R12: 0000000000000000
[  302.897834][ T1245] R13: ffff888008fb2128 R14: ffff888008fb2008 R15: ffff888008fb2000
[  302.898508][ T1245] FS:  00007f37b30f5800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  302.899347][ T1245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  302.899934][ T1245] CR2: 00007ffb642de000 CR3: 000000000d802006 CR4: 0000000000772ef0
[  302.900659][ T1245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  302.901368][ T1245] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  302.902040][ T1245] PKRU: 55555554
[  302.902439][ T1245] Call Trace:
[  302.902806][ T1245]  <TASK>
[ 302.903063][ T1245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 302.903576][ T1245] ? __warn (kernel/panic.c:748) 
[ 302.903954][ T1245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 302.904438][ T1245] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 302.904938][ T1245] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 302.905356][ T1245] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 302.905959][ T1245] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 302.906512][ T1245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 302.906998][ T1245] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 302.907493][ T1245] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 302.908104][ T1245] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 302.908587][ T1245] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 302.909037][ T1245] register_netdevice (net/core/dev.c:11003) 
[ 302.909549][ T1245] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 302.910047][ T1245] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 302.910570][ T1245] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 302.912550][ T1245] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 302.913271][ T1245] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 302.913952][ T1245] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 302.914575][ T1245] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 302.915224][ T1245] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 302.916328][ T1245] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 302.917218][ T1245] devlink_reload (net/devlink/dev.c:474) 
[ 302.917916][ T1245] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 302.918434][ T1245] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 302.919032][ T1245] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 302.919528][ T1245] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 302.920124][ T1245] ? __nla_parse (lib/nlattr.c:732) 
[ 302.920599][ T1245] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 302.921120][ T1245] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 302.921720][ T1245] ? cap_capable (security/commoncap.c:131) 
[ 302.922279][ T1245] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 302.922799][ T1245] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 302.923369][ T1245] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 302.923875][ T1245] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 302.924461][ T1245] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 302.925027][ T1245] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 302.925652][ T1245] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 302.926139][ T1245] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 302.926636][ T1245] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 302.927139][ T1245] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 302.927646][ T1245] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 302.928040][ T1245] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 302.928570][ T1245] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 302.929127][ T1245] genl_rcv (net/netlink/genetlink.c:1220) 
[ 302.929511][ T1245] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 302.929993][ T1245] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 302.930488][ T1245] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 302.931022][ T1245] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 302.931517][ T1245] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 302.931959][ T1245] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 302.932528][ T1245] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 302.933031][ T1245] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 302.933555][ T1245] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 302.934073][ T1245] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 302.934627][ T1245] ? __sys_recvmsg (net/socket.c:2859) 
[ 302.935145][ T1245] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 302.935660][ T1245] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 302.936175][ T1245] __x64_sys_sendto (net/socket.c:2181) 
[ 302.936664][ T1245] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 302.937229][ T1245] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 302.937726][ T1245] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  302.938301][ T1245] RIP: 0033:0x7f37b3301a4a
[ 302.938802][ T1245] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  302.940473][ T1245] RSP: 002b:00007fff405bc138 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  302.941179][ T1245] RAX: ffffffffffffffda RBX: 0000000007986b00 RCX: 00007f37b3301a4a
[  302.941935][ T1245] RDX: 0000000000000038 RSI: 0000000007986b00 RDI: 0000000000000005
[  302.942606][ T1245] RBP: 0000000007986910 R08: 00007f37b34a5200 R09: 000000000000000c
[  302.943315][ T1245] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  302.943969][ T1245] R13: 0000000007986910 R14: 0000000000000000 R15: 0000000000000003
| [  303.599350][   T11] ------------[ cut here ]------------
| [ 303.600211][ T11] WARNING: CPU: 0 PID: 11 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  303.601001][   T11] Modules linked in: netdevsim
| [  303.602797][   T11] Tainted: [W]=WARN
[  303.603123][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  303.603514][   T11] Workqueue: netns cleanup_net
[ 303.603949][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 303.604361][ T11] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  303.605375][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[  303.605934][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  303.606476][   T11] RDX: 0000000000000000 RSI: ffff888004e12c98 RDI: ffff888001a82e10
[  303.606969][   T11] RBP: ffffffffafb23440 R08: 0000000000000000 R09: fffffbfff5b3d83c
[  303.607496][   T11] R10: ffffffffad9ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[  303.607986][   T11] R13: ffff888004e12128 R14: ffff888004e12008 R15: ffff888004e12000
[  303.608524][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  303.609101][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  303.609486][   T11] CR2: 00007f504ef19440 CR3: 000000002b528006 CR4: 0000000000772ef0
[  303.609958][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  303.610544][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  303.611051][   T11] PKRU: 55555554
[  303.611495][   T11] Call Trace:
[  303.611800][   T11]  <TASK>
[ 303.612013][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 303.612393][ T11] ? __warn (kernel/panic.c:748) 
[ 303.612684][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 303.613000][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 303.613375][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 303.613630][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 303.613946][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 303.614443][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 303.614859][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 303.615383][ T11] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 303.615772][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 303.616150][ T11] register_netdevice (net/core/dev.c:11003) 
[ 303.616502][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 303.616823][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 303.617188][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 303.617597][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 303.618028][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 303.618548][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 303.619333][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 303.620404][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 303.621062][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 303.621464][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 303.621796][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 303.622261][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 303.622607][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 303.623047][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 303.623616][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 303.623941][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 303.624283][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 303.624632][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 303.624975][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 303.625342][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 303.625693][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 303.626008][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 303.626390][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 303.626750][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 303.627819][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 303.628312][ T11] kthread (kernel/kthread.c:464) 
[ 303.628588][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 303.628942][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 303.629339][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 303.629694][ T11] ? __pfx_kthread (kernel/kthread.c:413) 


Finger prints:
__netdev_update_features:register_netdevice:nsim_create:__nsim_dev_port_add:nsim_dev_reload_create
__netdev_update_features:register_netdevice:nsim_create:__nsim_dev_port_add:nsim_dev_port_add_all